Finding the Third Proportional to 108,957 and 166,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,957 : 166,603.50 = 166,603.50 : x
2. Step 2: Convert to fraction form
   108,957/166,603.50 = 166,603.50/x
3. Step 3: Cross multiply
   108,957x = 166,603.50 × 166,603.50
4. Step 4: Simplify right side
   108,957x = 27,756,726,212.25
5. Step 5: Solve for x
   x = 27,756,726,212.25/108,957
6. Step 6: Final answer
   x = 254,749.36